Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: O NLL participa de qual esporte?
 ###Tabelas: CREATE TABLE professional_sports (professional_sports_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Sport VARCHAR, Began play VARCHAR, League VARCHAR, Venue VARCHAR) CREATE TABLE tennessee (tennessee_id AUTO_INCREMENT PRIMARY KEY, District VARCHAR, Incumbent VARCHAR, Party VARCHAR, First elected INT, Results VARCHAR, Candidates VARCHAR) CREATE TABLE player_win-loss_record (player_win-loss_record_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Total Win-Loss VARCHAR, Singles Win-Loss VARCHAR, Doubles Win-Loss VARCHAR, No. of ties INT, First year played INT, Years Played INT) CREATE TABLE tallest_completed_buildings_and_structures (tallest_completed_buildings_and_structures_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Name VARCHAR, Height (m) INT, Height (ft) INT, Floors VARCHAR) CREATE TABLE results_by_province (results_by_province_id AUTO_INCREMENT PRIMARY KEY, Province VARCHAR, Registered voters INT, People voted INT, Valid votes INT, Invalid votes INT, Yes INT, Yes (%) VARCHAR, No INT, No (%) VARCHAR, Turnout (%) VARCHAR)  
SELECT Sport FROM professional_sports WHERE League = nll